Struct fuel_core::database::Database

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pub struct Database { /* private fields */ }

Implementations

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Iterates over a KV mapping of [address + block height + tx idx] => transaction id. This allows for efficient lookup of transaction ids associated with an address, sorted by block age and ordering within a block. The cursor tracks the [block height + tx idx] for pagination purposes.

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pub fn record_tx_id_owner(
 &self,
 owner: &Address,
 block_height: BlockHeight,
 tx_idx: TransactionIndex,
 tx_id: &Bytes32
) -> Result<Option<Bytes32>, Error>

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pub fn update_tx_status(
 &self,
 tx_id: &Bytes32,
 status: TransactionStatus
) -> Result<Option<TransactionStatus>, Error>

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pub fn get_tx_status(
&self,
tx_id: &Bytes32
) -> Result<Option<TransactionStatus>, Error>

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pub fn transaction(&self) -> DatabaseTransaction

Trait Implementations

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impl AsMut<Database> for DatabaseTransaction

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fn as_mut(&mut self) -> &mut Database

Converts this type into a mutable reference of the (usually inferred) input type.

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impl AsRef<Database> for DatabaseTransaction

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fn as_ref(&self) -> &Database

Converts this type into a shared reference of the (usually inferred) input type.

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impl AsRef<Database> for Database

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fn as_ref(&self) -> &Database

Converts this type into a shared reference of the (usually inferred) input type.

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impl Clone for Database

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fn clone(&self) -> Database

Returns a copy of the value. Read more

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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

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impl Debug for Database

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

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impl Default for Database

Construct an ephemeral database uses rocksdb when rocksdb features are enabled uses in-memory when rocksdb features are disabled

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fn default() -> Self

Returns the “default value” for a type. Read more

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impl From<&'_ Database> for DatabaseTransaction

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fn from(source: &Database) -> Self

Converts to this type from the input type.

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impl InterpreterStorage for Database

type DataError = Error

Error implementation for reasons unspecified in the protocol.

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fn block_height(&self) -> Result<u32, Error>

Provide the current block height in which the transactions should be executed. Read more

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fn block_hash(&self, block_height: u32) -> Result<Bytes32, Error>

Provide the block hash from a given height.

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fn coinbase(&self) -> Result<Address, Error>

Provide the coinbase address for the VM instructions implementation.

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fn storage_contract(
&self,
id: &ContractId
) -> Result<Option<Cow<'_, Contract>>, Self::DataError>

Fetch a previously inserted contract code from the chain state for a given contract. Read more

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fn storage_contract_insert(
 &mut self,
 id: &ContractId,
 contract: &Contract
) -> Result<Option<Contract>, Self::DataError>

Append a contract to the chain, provided its identifier. Read more

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fn storage_contract_exists(
&self,
id: &ContractId
) -> Result<bool, Self::DataError>

Check if a provided contract exists in the chain.

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fn storage_contract_root(
&self,
id: &ContractId
) -> Result<Option<Cow<'_, (Salt, Bytes32 )>>, Self::DataError>

Fetch a previously inserted salt+root tuple from the chain state for a given contract. Read more

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fn storage_contract_root_insert(
 &mut self,
 id: &ContractId,
 salt: &Salt,
 root: &Bytes32
) -> Result<Option<(Salt, Bytes32 )>, Self::DataError>

Append the salt+root of a contract that was appended to the chain.

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fn merkle_contract_state(
 &self,
 id: &ContractId,
 key: &Bytes32
) -> Result<Option<Cow<'_, Bytes32>>, Self::DataError>

Fetch the value form a key-value mapping in a contract storage.

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fn merkle_contract_state_insert(
 &mut self,
 contract: &ContractId,
 key: &Bytes32,
 value: &Bytes32
) -> Result<Option<Bytes32>, Self::DataError>

Insert a key-value mapping in a contract storage.

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fn merkle_contract_asset_id_balance(
 &self,
 id: &ContractId,
 asset_id: &AssetId
) -> Result<Option<u64>, Self::DataError>

Fetch the balance of an asset ID in a contract storage.

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fn merkle_contract_asset_id_balance_insert(
 &mut self,
 contract: &ContractId,
 asset_id: &AssetId,
 value: u64
) -> Result<Option<u64>, Self::DataError>

Update the balance of an asset ID in a contract storage.

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impl MerkleStorage<ContractId, AssetId, u64> for Database

type Error = Error

Error implementation of the merkle storage functions

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fn insert(
 &mut self,
 parent: &ContractId,
 key: &AssetId,
 value: &Word
) -> Result<Option<Word>, Error>

Append P->K->V mapping to the storage. Read more

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fn remove(
 &mut self,
 parent: &ContractId,
 key: &AssetId
) -> Result<Option<Word>, Error>

Remove P->K->V mapping from the storage. Read more

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fn get(
 &self,
 parent: &ContractId,
 key: &AssetId
) -> Result<Option<Cow<'_, Word>>, Error>

Retrieve Cow<V> such as P->K->V.

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fn contains_key(
 &self,
 parent: &ContractId,
 key: &AssetId
) -> Result<bool, Error>

Return true if there is a P->K mapping to a value in the storage.

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fn root(&mut self, parent: &ContractId) -> Result<MerkleRoot, Error>

Return the merkle root of the domain of P. Read more

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impl MerkleStorage<ContractId, Bytes32, Bytes32> for Database

type Error = Error

Error implementation of the merkle storage functions

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fn insert(
 &mut self,
 parent: &ContractId,
 key: &Bytes32,
 value: &Bytes32
) -> Result<Option<Bytes32>, Error>

Append P->K->V mapping to the storage. Read more

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fn remove(
 &mut self,
 parent: &ContractId,
 key: &Bytes32
) -> Result<Option<Bytes32>, Error>

Remove P->K->V mapping from the storage. Read more

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fn get(
 &self,
 parent: &ContractId,
 key: &Bytes32
) -> Result<Option<Cow<'_, Bytes32>>, Error>

Retrieve Cow<V> such as P->K->V.

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fn contains_key(
 &self,
 parent: &ContractId,
 key: &Bytes32
) -> Result<bool, Error>

Return true if there is a P->K mapping to a value in the storage.

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fn root(&mut self, parent: &ContractId) -> Result<MerkleRoot, Error>

Return the merkle root of the domain of P. Read more

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impl Storage<Bytes32, FuelBlockDb> for Database

type Error = KvStoreError

Error implementation of the storage functions

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fn insert(
 &mut self,
 key: &Bytes32,
 value: &FuelBlockDb
) -> Result<Option<FuelBlockDb>, KvStoreError>

Append K->V mapping to the storage. Read more

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fn remove(&mut self, key: &Bytes32) -> Result<Option<FuelBlockDb>, KvStoreError>

Remove K->V mapping from the storage. Read more

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fn get(
&self,
key: &Bytes32
) -> Result<Option<Cow<'_, FuelBlockDb>>, KvStoreError>

Retrieve Cow<V> such as K->V.

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fn contains_key(&self, key: &Bytes32) -> Result<bool, KvStoreError>

Return true if there is a K mapping to a value in the storage.

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impl Storage<Bytes32, Transaction> for Database

type Error = KvStoreError

Error implementation of the storage functions

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fn insert(
 &mut self,
 key: &Bytes32,
 value: &Transaction
) -> Result<Option<Transaction>, KvStoreError>

Append K->V mapping to the storage. Read more

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fn remove(&mut self, key: &Bytes32) -> Result<Option<Transaction>, KvStoreError>

Remove K->V mapping from the storage. Read more

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fn get(
&self,
key: &Bytes32
) -> Result<Option<Cow<'_, Transaction>>, KvStoreError>

Retrieve Cow<V> such as K->V.

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fn contains_key(&self, key: &Bytes32) -> Result<bool, KvStoreError>

Return true if there is a K mapping to a value in the storage.

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impl Storage<Bytes32, Vec<Receipt, Global>> for Database

type Error = KvStoreError

Error implementation of the storage functions

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fn insert(
 &mut self,
 key: &Bytes32,
 value: &Vec<Receipt>
) -> Result<Option<Vec<Receipt>>, KvStoreError>

Append K->V mapping to the storage. Read more

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fn remove(
&mut self,
key: &Bytes32
) -> Result<Option<Vec<Receipt>>, KvStoreError>

Remove K->V mapping from the storage. Read more

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fn get(
&self,
key: &Bytes32
) -> Result<Option<Cow<'_, Vec<Receipt>>>, KvStoreError>

Retrieve Cow<V> such as K->V.

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fn contains_key(&self, key: &Bytes32) -> Result<bool, KvStoreError>

Return true if there is a K mapping to a value in the storage.

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impl Storage<ContractId, (Salt, Bytes32 )> for Database

type Error = Error

Error implementation of the storage functions

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fn insert(
 &mut self,
 key: &ContractId,
 value: &(Salt, Bytes32 )
) -> Result<Option<(Salt, Bytes32 )>, Error>

Append K->V mapping to the storage. Read more

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fn remove(&mut self, key: &ContractId) -> Result<Option<(Salt, Bytes32 )>, Error>

Remove K->V mapping from the storage. Read more

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fn get(
&self,
key: &ContractId
) -> Result<Option<Cow<'_, (Salt, Bytes32 )>>, Error>

Retrieve Cow<V> such as K->V.

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fn contains_key(&self, key: &ContractId) -> Result<bool, Error>

Return true if there is a K mapping to a value in the storage.

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impl Storage<ContractId, Contract> for Database

type Error = Error

Error implementation of the storage functions

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fn insert(
 &mut self,
 key: &ContractId,
 value: &Contract
) -> Result<Option<Contract>, Error>

Append K->V mapping to the storage. Read more

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fn remove(&mut self, key: &ContractId) -> Result<Option<Contract>, Error>

Remove K->V mapping from the storage. Read more

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fn get(&self, key: &ContractId) -> Result<Option<Cow<'_, Contract>>, Error>

Retrieve Cow<V> such as K->V.

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fn contains_key(&self, key: &ContractId) -> Result<bool, Error>

Return true if there is a K mapping to a value in the storage.

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impl Storage<ContractId, UtxoId> for Database

type Error = Error

Error implementation of the storage functions

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fn insert(
 &mut self,
 key: &ContractId,
 value: &UtxoId
) -> Result<Option<UtxoId>, Self::Error>

Append K->V mapping to the storage. Read more

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fn remove(&mut self, key: &ContractId) -> Result<Option<UtxoId>, Self::Error>

Remove K->V mapping from the storage. Read more

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fn get<'a>(
&'a self,
key: &ContractId
) -> Result<Option<Cow<'a, UtxoId>>, Self::Error>

Retrieve Cow<V> such as K->V.

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fn contains_key(&self, key: &ContractId) -> Result<bool, Self::Error>

Return true if there is a K mapping to a value in the storage.

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impl Storage<UtxoId, Coin> for Database

type Error = KvStoreError

Error implementation of the storage functions

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fn insert(
 &mut self,
 key: &UtxoId,
 value: &Coin
) -> Result<Option<Coin>, KvStoreError>

Append K->V mapping to the storage. Read more

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fn remove(&mut self, key: &UtxoId) -> Result<Option<Coin>, KvStoreError>

Remove K->V mapping from the storage. Read more

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fn get(&self, key: &UtxoId) -> Result<Option<Cow<'_, Coin>>, KvStoreError>

Retrieve Cow<V> such as K->V.

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fn contains_key(&self, key: &UtxoId) -> Result<bool, KvStoreError>

Return true if there is a K mapping to a value in the storage.

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impl TxPoolDb for Database

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fn transaction(
&self,
tx_hash: Bytes32
) -> Result<Option<Arc<Transaction>>, KvStoreError>

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fn contract_exist(&self, contract_id: ContractId) -> Result<bool, Error>

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impl Send for Database

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impl Sync for Database

Auto Trait Implementations

impl !RefUnwindSafe for Database

impl Unpin for Database

impl !UnwindSafe for Database

Blanket Implementations

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impl<T> Any for T where
T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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impl<T> Borrow<T> for T where
T: ?Sized,

const: unstable · source

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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impl<T> BorrowMut<T> for T where
T: ?Sized,

const: unstable · source

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

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impl<T> From<T> for T

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

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impl<T, U> Into for T where
U: From<T>,

const: unstable · source

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> Same<T> for T

type Output = T

Should always be Self

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impl<T> ToOwned for T where
T: Clone,

type Owned = T

The resulting type after obtaining ownership.

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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

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fn clone_into(&self, target: &mut T)

🔬 This is a nightly-only experimental API. (toowned_clone_into)

Uses borrowed data to replace owned data, usually by cloning. Read more

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impl<T, U> TryFrom for T where
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

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impl<T, U> TryInto for T where
U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

impl<V, T> VZip<V> for T where
V: MultiLane<T>,

fn vzip(self) -> V

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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> where
S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more

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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more

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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> where
S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more

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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more

Struct fuel_core::database::Database

Implementations

impl Database

pub fn get_block_height(&self) -> Result<Option<BlockHeight>, Error>

pub fn get_block_id( &self, height: BlockHeight) -> Result<Option<Bytes32>, Error>

pub fn all_block_ids( &self, start: Option<BlockHeight>, direction: Option<IterDirection>) -> impl Iterator<Item = Result<(BlockHeight, Bytes32), Error>> + '_

impl Database

pub fn owned_coins( &self, owner: Address, start_coin: Option<UtxoId>, direction: Option<IterDirection>) -> impl Iterator<Item = Result<UtxoId, Error>> + '_

pub fn owned_coins_by_asset_id( &self, owner: Address, asset_id: AssetId, start_coin: Option<UtxoId>, direction: Option<IterDirection>) -> impl Iterator<Item = Result<UtxoId, Error>> + '_

impl Database

pub fn init_chain_name(&self, name: String) -> Result<(), Error>

pub fn get_chain_name(&self) -> Result<Option<String>, Error>

pub fn init_chain_height(&self, height: BlockHeight) -> Result<(), Error>

pub fn get_starting_chain_height(&self) -> Result<Option<BlockHeight>, Error>

impl Database

pub fn all_transactions( &self, start: Option<&Bytes32>, direction: Option<IterDirection>) -> impl Iterator<Item = Result<Transaction, Error>> + '_

pub fn owned_transactions( &self, owner: &Address, start: Option<&OwnedTransactionIndexCursor>, direction: Option<IterDirection>) -> impl Iterator<Item = Result<(OwnedTransactionIndexCursor, Bytes32), Error>> + '_

pub fn record_tx_id_owner( &self, owner: &Address, block_height: BlockHeight, tx_idx: TransactionIndex, tx_id: &Bytes32) -> Result<Option<Bytes32>, Error>

pub fn update_tx_status( &self, tx_id: &Bytes32, status: TransactionStatus) -> Result<Option<TransactionStatus>, Error>

pub fn get_tx_status( &self, tx_id: &Bytes32) -> Result<Option<TransactionStatus>, Error>

impl Database

pub fn open(path: &Path) -> Result<Self, Error>

pub fn in_memory() -> Self

pub fn transaction(&self) -> DatabaseTransaction

Trait Implementations

impl AsMut<Database> for DatabaseTransaction

fn as_mut(&mut self) -> &mut Database

impl AsRef<Database> for DatabaseTransaction

fn as_ref(&self) -> &Database

impl AsRef<Database> for Database

fn as_ref(&self) -> &Database

impl Clone for Database

fn clone(&self) -> Database

fn clone_from(&mut self, source: &Self)

impl Debug for Database

fn fmt(&self, f: &mut Formatter<'_>) -> Result

impl Default for Database

fn default() -> Self

impl From<&'_ Database> for DatabaseTransaction

fn from(source: &Database) -> Self

impl InterpreterStorage for Database

type DataError = Error

fn block_height(&self) -> Result<u32, Error>

fn block_hash(&self, block_height: u32) -> Result<Bytes32, Error>

fn coinbase(&self) -> Result<Address, Error>

fn storage_contract( &self, id: &ContractId) -> Result<Option<Cow<'_, Contract>>, Self::DataError>

fn storage_contract_insert( &mut self, id: &ContractId, contract: &Contract) -> Result<Option<Contract>, Self::DataError>

fn storage_contract_exists( &self, id: &ContractId) -> Result<bool, Self::DataError>

fn storage_contract_root( &self, id: &ContractId) -> Result<Option<Cow<'_, (Salt, Bytes32)>>, Self::DataError>

fn storage_contract_root_insert( &mut self, id: &ContractId, salt: &Salt, root: &Bytes32) -> Result<Option<(Salt, Bytes32)>, Self::DataError>

fn merkle_contract_state( &self, id: &ContractId, key: &Bytes32) -> Result<Option<Cow<'_, Bytes32>>, Self::DataError>

fn merkle_contract_state_insert( &mut self, contract: &ContractId, key: &Bytes32, value: &Bytes32) -> Result<Option<Bytes32>, Self::DataError>

fn merkle_contract_asset_id_balance( &self, id: &ContractId, asset_id: &AssetId) -> Result<Option<u64>, Self::DataError>

fn merkle_contract_asset_id_balance_insert( &mut self, contract: &ContractId, asset_id: &AssetId, value: u64) -> Result<Option<u64>, Self::DataError>

impl MerkleStorage<ContractId, AssetId, u64> for Database

type Error = Error

fn insert( &mut self, parent: &ContractId, key: &AssetId, value: &Word) -> Result<Option<Word>, Error>

fn remove( &mut self, parent: &ContractId, key: &AssetId) -> Result<Option<Word>, Error>

fn get( &self, parent: &ContractId, key: &AssetId) -> Result<Option<Cow<'_, Word>>, Error>

fn contains_key( &self, parent: &ContractId, key: &AssetId) -> Result<bool, Error>

fn root(&mut self, parent: &ContractId) -> Result<MerkleRoot, Error>

impl MerkleStorage<ContractId, Bytes32, Bytes32> for Database

type Error = Error

fn insert( &mut self, parent: &ContractId, key: &Bytes32, value: &Bytes32) -> Result<Option<Bytes32>, Error>

fn remove( &mut self, parent: &ContractId, key: &Bytes32) -> Result<Option<Bytes32>, Error>

fn get( &self, parent: &ContractId, key: &Bytes32) -> Result<Option<Cow<'_, Bytes32>>, Error>

fn contains_key( &self, parent: &ContractId, key: &Bytes32) -> Result<bool, Error>

fn root(&mut self, parent: &ContractId) -> Result<MerkleRoot, Error>

impl Storage<Bytes32, FuelBlockDb> for Database

type Error = KvStoreError

fn insert( &mut self, key: &Bytes32, value: &FuelBlockDb) -> Result<Option<FuelBlockDb>, KvStoreError>

fn remove(&mut self, key: &Bytes32) -> Result<Option<FuelBlockDb>, KvStoreError>

fn get( &self, key: &Bytes32) -> Result<Option<Cow<'_, FuelBlockDb>>, KvStoreError>

fn contains_key(&self, key: &Bytes32) -> Result<bool, KvStoreError>

impl Storage<Bytes32, Transaction> for Database

type Error = KvStoreError

fn insert( &mut self, key: &Bytes32, value: &Transaction) -> Result<Option<Transaction>, KvStoreError>

fn remove(&mut self, key: &Bytes32) -> Result<Option<Transaction>, KvStoreError>

fn get( &self, key: &Bytes32) -> Result<Option<Cow<'_, Transaction>>, KvStoreError>

fn contains_key(&self, key: &Bytes32) -> Result<bool, KvStoreError>

pub fn get_block_id(
&self,
height: BlockHeight
) -> Result<Option<Bytes32>, Error>

pub fn all_block_ids(
&self,
start: Option<BlockHeight>,
direction: Option<IterDirection>
) -> impl Iterator<Item = Result<(BlockHeight, Bytes32 ), Error>> + '_

pub fn owned_coins(
&self,
owner: Address,
start_coin: Option<UtxoId>,
direction: Option<IterDirection>
) -> impl Iterator<Item = Result<UtxoId, Error>> + '_

pub fn owned_coins_by_asset_id(
&self,
owner: Address,
asset_id: AssetId,
start_coin: Option<UtxoId>,
direction: Option<IterDirection>
) -> impl Iterator<Item = Result<UtxoId, Error>> + '_

pub fn all_transactions(
&self,
start: Option<&Bytes32>,
direction: Option<IterDirection>
) -> impl Iterator<Item = Result<Transaction, Error>> + '_

pub fn owned_transactions(
&self,
owner: &Address,
start: Option<&OwnedTransactionIndexCursor>,
direction: Option<IterDirection>
) -> impl Iterator<Item = Result<(OwnedTransactionIndexCursor, Bytes32 ), Error>> + '_

pub fn record_tx_id_owner(
&self,
owner: &Address,
block_height: BlockHeight,
tx_idx: TransactionIndex,
tx_id: &Bytes32
) -> Result<Option<Bytes32>, Error>

pub fn update_tx_status(
&self,
tx_id: &Bytes32,
status: TransactionStatus
) -> Result<Option<TransactionStatus>, Error>

pub fn get_tx_status(
&self,
tx_id: &Bytes32
) -> Result<Option<TransactionStatus>, Error>

fn storage_contract(
&self,
id: &ContractId
) -> Result<Option<Cow<'_, Contract>>, Self::DataError>

fn storage_contract_insert(
&mut self,
id: &ContractId,
contract: &Contract
) -> Result<Option<Contract>, Self::DataError>

fn storage_contract_exists(
&self,
id: &ContractId
) -> Result<bool, Self::DataError>

fn storage_contract_root(
&self,
id: &ContractId
) -> Result<Option<Cow<'_, (Salt, Bytes32 )>>, Self::DataError>

fn storage_contract_root_insert(
&mut self,
id: &ContractId,
salt: &Salt,
root: &Bytes32
) -> Result<Option<(Salt, Bytes32 )>, Self::DataError>

fn merkle_contract_state(
&self,
id: &ContractId,
key: &Bytes32
) -> Result<Option<Cow<'_, Bytes32>>, Self::DataError>

fn merkle_contract_state_insert(
&mut self,
contract: &ContractId,
key: &Bytes32,
value: &Bytes32
) -> Result<Option<Bytes32>, Self::DataError>

fn merkle_contract_asset_id_balance(
&self,
id: &ContractId,
asset_id: &AssetId
) -> Result<Option<u64>, Self::DataError>

fn merkle_contract_asset_id_balance_insert(
&mut self,
contract: &ContractId,
asset_id: &AssetId,
value: u64
) -> Result<Option<u64>, Self::DataError>

fn insert(
&mut self,
parent: &ContractId,
key: &AssetId,
value: &Word
) -> Result<Option<Word>, Error>

fn remove(
&mut self,
parent: &ContractId,
key: &AssetId
) -> Result<Option<Word>, Error>

fn get(
&self,
parent: &ContractId,
key: &AssetId
) -> Result<Option<Cow<'_, Word>>, Error>

fn contains_key(
&self,
parent: &ContractId,
key: &AssetId
) -> Result<bool, Error>

fn insert(
&mut self,
parent: &ContractId,
key: &Bytes32,
value: &Bytes32
) -> Result<Option<Bytes32>, Error>

fn remove(
&mut self,
parent: &ContractId,
key: &Bytes32
) -> Result<Option<Bytes32>, Error>

fn get(
&self,
parent: &ContractId,
key: &Bytes32
) -> Result<Option<Cow<'_, Bytes32>>, Error>

fn contains_key(
&self,
parent: &ContractId,
key: &Bytes32
) -> Result<bool, Error>

fn insert(
&mut self,
key: &Bytes32,
value: &FuelBlockDb
) -> Result<Option<FuelBlockDb>, KvStoreError>

fn get(
&self,
key: &Bytes32
) -> Result<Option<Cow<'_, FuelBlockDb>>, KvStoreError>

fn insert(
&mut self,
key: &Bytes32,
value: &Transaction
) -> Result<Option<Transaction>, KvStoreError>

fn get(
&self,
key: &Bytes32
) -> Result<Option<Cow<'_, Transaction>>, KvStoreError>

fn insert(
&mut self,
key: &Bytes32,
value: &Vec<Receipt>
) -> Result<Option<Vec<Receipt>>, KvStoreError>

fn remove(
&mut self,
key: &Bytes32
) -> Result<Option<Vec<Receipt>>, KvStoreError>

fn get(
&self,
key: &Bytes32
) -> Result<Option<Cow<'_, Vec<Receipt>>>, KvStoreError>

impl Storage<ContractId, (Salt, Bytes32 )> for Database

fn insert(
&mut self,
key: &ContractId,
value: &(Salt, Bytes32 )
) -> Result<Option<(Salt, Bytes32 )>, Error>

fn remove(&mut self, key: &ContractId) -> Result<Option<(Salt, Bytes32 )>, Error>

fn get(
&self,
key: &ContractId
) -> Result<Option<Cow<'_, (Salt, Bytes32 )>>, Error>

fn insert(
&mut self,
key: &ContractId,
value: &Contract
) -> Result<Option<Contract>, Error>

fn insert(
&mut self,
key: &ContractId,
value: &UtxoId
) -> Result<Option<UtxoId>, Self::Error>

fn get<'a>(
&'a self,
key: &ContractId
) -> Result<Option<Cow<'a, UtxoId>>, Self::Error>

fn insert(
&mut self,
key: &UtxoId,
value: &Coin
) -> Result<Option<Coin>, KvStoreError>

fn transaction(
&self,
tx_hash: Bytes32
) -> Result<Option<Arc<Transaction>>, KvStoreError>

impl<T> Any for T where
T: 'static + ?Sized,

impl<T> Borrow<T> for T where
T: ?Sized,

impl<T> BorrowMut<T> for T where
T: ?Sized,

impl<T, U> Into<U> for T where
U: From<T>,

impl<T> ToOwned for T where
T: Clone,

impl<T, U> TryFrom<U> for T where
U: Into<T>,